@inbook{1ac27e66ed2a475bb2fd8d10dba8a122,
title = "The longevity of a learned elite",
author = "{van de Kaa}, D.J.",
note = "Reporting year: 2007",
year = "2007",
language = "Niet gedefinieerd",
isbn = "3-531-15723-X",
volume = "Bd. 37",
series = "Schriftenreihe des Bundesinstituts f{\"u}r Bev{\"o}lkerungsforschung",
publisher = "VS Verlag fur Sozialwissenschaften",
pages = "123--131",
editor = "C. H{\"o}hn and J. Dorbritz",
booktitle = "Demographischer Wandel - Wandel der Demographie: Festschrift f{\"u}r Prof.dr.Karl Schwarz",
address = "Duitsland",
}